Home / 14,200,453.36-21,279,003.21-8,431,827.15

Finding the Fourth Proportional to 14,200,453.36, 21,279,003.21 and 8,431,827.15

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Solution

The fourth proportional to 14,200,453.36, 21,279,003.21 and 8,431,827.15 is: 12,634,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200,453.36 : 21,279,003.21 = 8,431,827.15 : x
  2. Step 2: Convert to fraction form
    14,200,453.36/21,279,003.21 = 8,431,827.15/x
  3. Step 3: Cross multiply
    14,200,453.36x = 21,279,003.21 × 8,431,827.15
  4. Step 4: Simplify right side
    14,200,453.36x = 179,420,877,070,811.44
  5. Step 5: Solve for x
    x = 179,420,877,070,811.44/14,200,453.36
  6. Step 6: Final answer
    x = 12,634,869.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.